au.\*:("RITZ LP")
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CONTAMINATION OF CEREBROSPINAL FLUID BY VERTEBRAL BONE-MARROW CELLS DURING LUMBAR PUNCTUREKRUSKALL MS; CARTER SR; RITZ LP et al.1983; NEW ENGLAND JOURNAL OF MEDICINE; ISSN 0028-4793; USA; DA. 1983; VOL. 308; NO 12; PP. 697-700; BIBL. 12 REF.Article